Atmospheric composition

Atmospheric Composition

The Earth's atmosphere is a complex mixture of gases that envelops the planet and plays a crucial role in supporting life and regulating various processes. The composition of the Earth's atmosphere can be broken down into several main components:

1. Nitrogen (N2): The most abundant gas in the atmosphere, accounting for about 78% of its composition. Nitrogen is inert and relatively unreactive under normal conditions.

2. Oxygen (O2): Oxygen makes up approximately 21% of the atmosphere. It is essential for _________ __________ ________ ______ _____ _____ _________ ___ ________ ____.
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